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AUSCERT External Security Bulletin Redistribution
ESB-2014.1944
Security Bulletin: Vulnerability in SSLv3 affects Host
On-Demand (CVE-2014-3566)
24 October 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational Host On-Demand
Publisher: IBM
Operating System: Linux variants
Windows
Impact/Access: Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Mitigation
CVE Names: CVE-2014-3566
Reference: ASB-2014.0122
ESB-2014.1929
ESB-2014.1922
ESB-2014.1921
ESB-2014.1920
ESB-2014.1918
ESB-2014.1913
ESB-2014.1897
ESB-2014.1858
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21687670
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Security Bulletin: Vulnerability in SSLv3 affects Host On-Demand
(CVE-2014-3566)
Security Bulletin
Document information
More support for:
Rational Host On-Demand
General Information
Software version:
11.0, 11.0.1.0, 11.0.2.0, 11.0.3.0, 11.0.4.0, 11.0.5.0, 11.0.5.1, 11.0.6,
11.0.6.1, 11.0.7, 11.0.8, 11.0.9, 11.0.10
Operating system(s):
Linux, Windows
Reference #:
1687670
Modified date:
2014-10-21
Summary
SSLv3 contains a vulnerability that has been referred to as the Padding
Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in
IBM Rational Host On-Demand.
Vulnerability Details
CVE-ID: CVE-2014-3566
Description: Product could allow a remote attacker to obtain sensitive
information, caused by a design error when using the SSLv3 protocol. A remote
user with the ability to conduct a man-in-the-middle attack could exploit
this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy
Encryption) attack to decrypt SSL sessions and access the plaintext of
encrypted connections.
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/97013
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Affected Products and Versions
IBM Rational Host On-Demand 11.0.10 and earlier.
Remediation/Fixes
None
Workarounds and Mitigations
IBM recommends that you review your entire environment to identify areas that
enable the SSLv3 protocol and take appropriate mitigation and remediation
actions. The most immediate mitigation action that can be taken is disabling
SSLv3.
If you have selected Telnet – SSL only protocol in HOD for secure connection
to Host, please follow the below instructions to disable it.
1. Open html file with deployment wizard on HOD sever
2. Navigate to session properties
3. Under connection, select Telnet – TLS protocol for secure connection
4. Save the file by clicking Next > Next and access the file from client
machine.
IBM also recommends disabling SSL on Host side.
Important note
IBM strongly suggests that all System z customers be subscribed to the System
z Security Portal to receive the latest critical System z security and
integrity service. If you are not subscribed, see the instructions on the
System z Security web site. Security and integrity APARs and associated fixes
will be posted to this portal. IBM suggests reviewing the CVSS scores and
applying all security or integrity fixes as soon as possible to minimize any
potential risk.
References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Subscribe to Security Bulletins
Acknowledgement
None
Change History
* 21 October 2014: Original copy published
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact
of this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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